IEC 61992-4:2006+A1:2015 Specifies requirements for d.c. disconnectors, switch-disconnectors and earthing switches for use in outdoor fixed installations of traction systems. This consolidated version consists of the first edition (2006) and its amendment 1 (2015). Therefore, no need to order amendment in addition to this publication.
IEC 61992-4 Ed. 1.1 b:2015
$136.00
Railway applications – Fixed installations – DC switchgear – Part 4:Outdoor d.c. disconnectors, switch-disconnectors and earthing switches CONSOLIDATED EDITION